Each foreign limited liability company authorized to transact business in this Commonwealth shall continuously maintain in this Commonwealth:
(1) A registered office that may be the same as any of its places of business; and (2) A registered agent, who may be:
(a) An individual who resides in this Commonwealth and whose business office is identical with the registered office;
(b) A domestic corporation or not-for-profit domestic corporation whose business office is identical with the registered office;
(c) A foreign corporation or foreign not-for-profit corporation authorized to transact business in this Commonwealth whose business office is identical with the registered office; or (d) A domestic limited liability company or a foreign limited liability company authorized to transact business in this Commonwealth whose business address is identical with the registered office.
(3) The registered agent shall execute and deliver to the Secretary of State a document accepting the agency appointment, and the appointment of the agent shall not be effective until delivered to the Secretary of State.